cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A163374 a(n) = tau(tau(phi(n))).

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 2
6 2
7 3
8 2
9 3
10 2
11 3
12 2
13 4
14 3
15 3
16 3
17 2
18 3
19 4
20 3
21 4
22 3
23 3
24 3
25 4
26 4
27 4
28 4
29 4
30 3
31 4
32 2
33 4
34 2
35 4
36 4
37 3
38 4
39 4
40 2
41 4
42 4
43 4
44 4
45 4
46 3
47 3
48 2
49 4
50 4
51 4
52 4
53 4
54 4
55 4
56 4
57 3
58 4
59 3
60 2
61 6
62 4
63 3
64 4
65 4
66 4
67 4
68 4
69 4
70 4
71 4
72 4
73 6
74 3
75 4
76 3
77 6
78 4
79 4
80 4
81 4
82 4
83 3
84 4
85 2
86 4

List of values

[1, 1, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 4, 3, 3, 3, 2, 3, 4, 3, 4, 3, 3, 3, 4, 4, 4, 4, 4, 3, 4, 2, 4, 2, 4, 4, 3, 4, 4, 2, 4, 4, 4, 4, 4, 3, 3, 2, 4, 4, 4, 4, 4, 4, 4, 4, 3, 4, 3, 2, 6, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, 3, 4, 3, 6, 4, 4, 4, 4, 4, 3, 4, 2, 4]